Adobe Commerce and Magento Open Source vulnerability

The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of reported active exploitation of a critical vulnerability inAdobe Commerce and Magento Open Source.

ASD’s ACSC is aware of a substantial number of potentially vulnerable instances within the Australian economy and encourage system owners to follow the mitigationadvice from the vendor.

This alert is relevant to all Australian organisations that utilise Adobe Commerce and Magento Open Source.

This alert is intended for a technical audience.

Adobe has identified a critical vulnerability affecting the Adobe Commerce and Magento Open Source platform.

Adobe Commerce and Magento Open Source are PHP-based e-commerce platforms used to power online storefronts.

CVE-2026-75650 is an Improper Neutralisation of Special Elements Used in a Template Engine vulnerability, leading to unauthenticated remote code execution.Exploitation requires the /graphql endpoint to be exposed.

A patch was released on 7 September 2026. Organisations should apply the patch as a priority. If using an unpatched version, organisations should update theirversion that includes this patch as a priority.

ASD’s ACSC is aware of reported active exploitation of this vulnerability, but has no information to indicate that a specific industry or sector is beingtargeted.

ASD’s ACSC advises organisations to ensure the following:

• Review networks and environments for use of vulnerable versions of the Adobe platform.
• Review the mitigation advice on the vendor support page.
• If your Adobe Commerce and Magento Open Source platform is managed by a third party, such as a MSP or Enterprise IT provider, you should contact that provider to ensurethe products have been patched and are being monitored for suspicious activity.
• Apply patches as soon as practicable, if required. If a patch is not available for the version you use:
  • Update to a version that includes this patch, or
  • Restrict and monitor access, monitor for unusual system activity, unexpected scheduled tasks, and suspicious log entries such as unusual template processing or failednotifications, as these may indicate an attempted exploitation.
• If suspicious activity is detected, notify ASD’s ACSC.

About Author

AndyC

Andy Curtis is an award-winning security consultant, researcher and public speaker. He has been working in the computer security industry since the early 1990s, having been employed by state and federal government, leading healthcare and banking providers across three continents. He has given talks about computer security for some of the world’s largest companies, worked with law enforcement agencies on investigations into hacking groups, and is a regular voice on TV and radio explaining IT security threats.

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